Home / 7,725.08-11,589.22-3,108.44

Finding the Fourth Proportional to 7,725.08, 11,589.22 and 3,108.44

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Solution

The fourth proportional to 7,725.08, 11,589.22 and 3,108.44 is: 4,663.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,725.08 : 11,589.22 = 3,108.44 : x
  2. Step 2: Convert to fraction form
    7,725.08/11,589.22 = 3,108.44/x
  3. Step 3: Cross multiply
    7,725.08x = 11,589.22 × 3,108.44
  4. Step 4: Simplify right side
    7,725.08x = 36,024,395.02
  5. Step 5: Solve for x
    x = 36,024,395.02/7,725.08
  6. Step 6: Final answer
    x = 4,663.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.